The present invention relates to aqueous ink jet ink compositions comprising a water-soluble or ink-compatible anti-intercolor bleed agent. The ink jet ink compositions typically comprise water, a colorant of dye or pigment, or a mixture of dye and pigment, and a water-soluble or ink-compatible anti-intercolor bleed agent. In one embodiment the water-soluble or ink-compatible intercolor bleed agents of the invention comprise glycine materials with or without a fluorine atom and are represented by formula (I) in either ionic or nonionic forms, particularly those of fluorinated glycine salts with high fluorine content. The water-soluble or ink-compatible anti-intercolor bleed agent in an ink jet composition is believed to accelerate ink drying and to form hydrophobic layers on a print substrate near the image boundary in an ink jet printing process, thus minimizing undesired mixing of different neighboring inks resulting in a reduction of intercolor bleed. The ink jet ink compositions of the present invention exhibit reduced drying time, intercolor bleeding, and image defect as well as providing uniform ink image on transparencies. The ink jet ink compositions comprising the water-soluble or ink-compatible anti-intercolor bleed agents can be used in a multi-color ink jet printing process to obtain multi-color ink jet images at a high speed.

Ink jet ink compositions and printing processes

An ink jet recording sheet having a recording surface which includes a combination of a water soluble polyvalent metal salt and a cationic polymer, said polymer having cationic groups which are available in the recording surface for insolubilizing an anionic dye.

Ink jet recording sheet having a bicomponent cationic recording surface

A jet drop printing process utilizing a radiation (UV, electron beam, etc.) curable ink composition. The ink composition includes a low molecular weight multifunctional ethylenically unsaturated material, a low molecular weight monofunctional ethylenically unsaturated material, a reactive synergist, a dye colorant, and an oil soluble salt. A small amount of organic polar solvent and stabilizer may also be included. In addition, when a UV cure is used, a photoinitiator is also added to the mixture. In order to function properly in the jet drop printing process, the ink composition should have a viscosity of less than about 15 centipoise, a resistivity of around 50-5000 ohm-cm, and a surface tension of approximately 20-70 dynes/cm.

Jet drop printing process utilizing a radiation curable ink

An ink jet ink composition which comprises water, a solvent, and a plurality of colored particles comprising hydrophilic porous silica particles, to the surfaces of which dyes are covalently bonded through silane coupling agents. The particles are prepared by a process which copmrises reacting hydrophilic porous silica particles with a silane coupling agent in the absence of water to form particles having covalently attached thereto coupling agents, followed by reacting a dye with the coupling agent attached to the silica particles.

Ink jet inks containing colored silica particles

A power plant including an air separation unit (ASU) arranged to separate nitrogen, oxygen, carbon dioxide and argon from air and produce a stream of substantially pure liquid oxygen, nitrogen, carbon dioxide and argon; a steam generator, fired or unfired, arranged to combust a fuel, e.g., natural gas, liquefied natural gas, synthesis gas, coal, petroleum coke, biomass, municipal solid waste or any other gaseous, liquid or solid fuel in the presence of air and a quantity of substantially pure oxygen gas to produce an exhaust gas comprising water, carbon dioxide, carbon monoxide, nitrogen oxides, nitrogen, sulfur oxides and other trace gases, and a steam-turbine-generator to produce electricity, a primary gas heat exchanger unit for particulate/acid gas/moisture removal and a secondary heat exchanger arranged to cool the remainder of the exhaust gases from the steam generator. Exhaust gases are liquefied in the ASU thereby recovering carbon dioxide, nitrogen oxides, nitrogen, sulfur oxides, oxygen, and all other trace gases from the steam generator exhaust gas stream. The cooled gases are liquefied in the ASU and separated for sale or re-use in the power plant. Carbon dioxide liquid is transported from the plant for use in enhanced oil recovery or for other commercial use. Carbon dioxide removal is accomplished in the ASU by cryogenic separation of the gases, after directing the stream of liquid nitrogen from the air separation unit to the exhaust gas heat exchanger units to cool all of the exhaust gases including carbon dioxide, carbon monoxide, nitrogen oxides, nitrogen, oxygen, sulfur oxides, and other trace gases.

Power plant with emissions recovery

This document discloses compositions for an ink for use in a jet printing apparatus wherein a stream of ink is forced through a small nozzle to form a series of substantially uniformly sized and spaced drops which are then sequentially charged and then deflected electrostatically for positioning the drop placement onto a record sheet.

Infrared and visible dual dye jet printer ink

Disclosed is an ink for use in ink jet printers, the ink containing a water soluble dye, and a polyamine containing 7 or more nitrogen atoms per molecule, with the ink composition having a pH of 8 or above, the upper pH limit being dye decomposition dependent. The ink has improved water-fastness over an equivalent ink formulation without the polyamine additive.

Waterfast ink for use in ink jet printing

Dual dye ink formulations for ink jet printers having both Sulfur Black 1 and Direct Black 163 or Direct Black 19 as the dyes to provide absorbence of light in both the visual and infrared ranges. Absorbence of infrared facilitates optical character recognition by conventional photoconductors.

Infrared and visible dual dye ink for ink jet printers

Trimers of C 9 to C 11 alpha olefins are useful as carrier fluid in liquid toner for electrophotography. Their use practically eliminates air pollution, oil slicks when liquid toned prints are placed on a surface and a halo effect.

Carrier fluid for liquid electrophotographic toner

A semiconductive member has a polymer body filled with carbon black which is surface modified with azo linked organic molecules having an acid functional group. Control of conductivity is greatly improved and the strength of the member is improved by the reduced amount of filler required.

Semiconductive members and belts

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